OpenSSL 3.0 - providing entropy to EVP_RAND ?

Bala Duvvuri b_duvvuri at
Wed Mar 24 06:14:20 UTC 2021

Hi All,

In OpenSSL 1.1.1 version, we were using RAND_DRBG for random number generation.

Using "RAND_DRBG_set_callbacks", we were able to call into our custom API for entropy and nonce generation.

How can this be achieved with EVP_RAND implementation i.e. does it allow entropy to be provided? 


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